Dietary protein intake and mortality among survivors of liver cirrhosis: a prospective cohort study

Autor: Ghazal Daftari, Asal Neshatbini Tehrani, Fereshteh Pashayee-khamene, Sara Karimi, Saleheh Ahmadzadeh, Azita Hekmatdoost, Amin Salehpour, Mahdi Saber-Firoozi, Behzad Hatami, Zahra Yari
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: BMC Gastroenterology, Vol 23, Iss 1, Pp 1-11 (2023)
Druh dokumentu: article
ISSN: 1471-230X
DOI: 10.1186/s12876-023-02832-1
Popis: Abstract Background Liver cirrhosis is a worldwide burden and is associated with poor clinical outcomes, including increased mortality. The beneficial effects of dietary modifications in reducing morbidity and mortality are inevitable. Aim The current study aimed to evaluate the potential association of dietary protein intake with the cirrhosis-related mortality. Methods In this cohort study, 121 ambulatory cirrhotic patients with at least 6 months of cirrhosis diagnosis were followed-up for 48 months. A 168-item validated food frequency questionnaire was used for dietary intake assessment. Total dietary protein was classified as dairy, vegetable and animal protein. We estimated crude and multivariable-adjusted hazard ratios (HRs) with 95% confidence intervals (CIs), applying Cox proportional hazard analyses. Results After full adjustment for confounders, analyses showed that total (HR = 0.38, 95% CI = 0.2–1.1, p trend = 0.045) and dairy (HR = 0.38, 95% CI = 0.13–1.1, p trend = 0.046) protein intake was associated with a 62% lower risk of cirrhosis-related mortality. While a higher intake of animal protein was associated with a 3.8-fold increase in the risk of mortality in patients (HR = 3.8, 95% CI = 1.7–8.2, p trend = 0.035). Higher intake of vegetable protein was inversely but not significantly associated with mortality risk. Conclusion A comprehensive evaluation of the associations of dietary protein intake with cirrhosis-related mortality indicated that a higher intakes of total and dairy protein and a lower intakes of animal protein are associated with a reduced risk of mortality in cirrhotic patients.
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